Chainguard: multiple open-webui packages: security update to 0.11.4-r0

high Tenable Cloud Security Plugin ID 476115

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- NLTK through 3.10.3 contains a path traversal vulnerability in model-artifact APIs that bypass pathsec
enforcement by using raw file operations on caller-controlled paths. Attackers can read or write files
outside allowed sandbox roots through TransitionParser, AveragedPerceptron, PerceptronTagger, and maxent
parameter APIs when pathsec is enabled. (CVE-2026-81726)

Solution

Update the open-webui library and its related packages to version 0.11.4-r0 or later.

Plugin Details

Severity: High

ID: 476115

Version: Revision 1.1

Type: Local

Published: 10/17/2026

Updated: 10/17/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.47

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.2

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:P/A:P

CVSS Score Source: CVE-2026-81726

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 8/27/2026

Reference Information

CVE: CVE-2026-81726